Home / 158,218,023.66-237,395,236.14-85,420,349.34

Finding the Fourth Proportional to 158,218,023.66, 237,395,236.14 and 85,420,349.34

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Solution

The fourth proportional to 158,218,023.66, 237,395,236.14 and 85,420,349.34 is: 128,167,344.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,218,023.66 : 237,395,236.14 = 85,420,349.34 : x
  2. Step 2: Convert to fraction form
    158,218,023.66/237,395,236.14 = 85,420,349.34/x
  3. Step 3: Cross multiply
    158,218,023.66x = 237,395,236.14 × 85,420,349.34
  4. Step 4: Simplify right side
    158,218,023.66x = 20,278,384,002,730,592
  5. Step 5: Solve for x
    x = 20,278,384,002,730,592/158,218,023.66
  6. Step 6: Final answer
    x = 128,167,344.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.